Automatically-operable stay for hinged covers



Aug. 18, 1 925.

Filed NOV. 14, 1919 Patented Aug. 18, 1925.

Artur OFFICE.

MONTAGUE PIERRE BRQ WNE, 01E INE'W YQRK, N, 55.,

Application filed. November 1a, 1919, serial no. 337,962,.

To all whom it may concern:

Be it known that l, MONTAGUE Pmnnn BROWNE, a citizen of the United States'of America, residing at New York city, New

5 York, have invented new and useful lmprovements in an Automatically-()perable Stay for Hinged Covers, of which the tollowing is a specification.

This invention relates to automatically operated stays for hinged cover The object of the invention is to provide a construction in which the locking function is positively and easily made and the unlocking function is efli'ected by the use of one hand only, and in which construction there is but a single movable part.

A further object oi the invention is to provide an attachment comprising only two pieces, either oi which may be stamped out of a single piece of metal, or which may be made by die-castin n A further object is to provide a construc tion in which the parts may be separately attached to the cover and body of a cabinet or receptacle in dilierent parts of a plant, and then assembled when the cover is hinged to the cabinet or body.

The invention consists of the construction, combination and arrangement of parts, as herein illustrated and described, and such construction as may be included in the scope of the claims.

In the accompanying drawings, forming part hereof, is illustrated an embodiment of the invention, in which drawings similar reference characters designate corresponding parts, and in which:

Figure l is a vertical section showing the application of the invention to the cabinet of a sound-reproducing instrument;

Figure 2 is a perspective of the stay used in the construction Figure 3 is an elevation of a modified form of stay;

Figure 4 is a perspective of the cover plate used in the construction;

Figure 5 is a vertical section, showing the application of the invention to the cabinet of a soundreproducing machine, two positions being shown-the full line position being the position of the parts with the cover locked in open position, and the dotted line position indicating the position of the parts immediately after the unlocking function ot' the inventi n ha been erfo med nd h stay has swung to its rearmost position.-

and p Figure 6 is an elevation of a modified Iorm of cover plate.

I am aware that it is well known in the art to equip a caoinet having a hinged cover with austay which may be operated to locked position and then unlocked by simply further elevating the cover, but the broad object of my invention is to provide a simplified construction, having fewer moving parts, and having greater efiiciency of action.

Referring to the drawings, 1 designates the body or casing, and 2 the hinged cover 0:? common form of sound reproducing instrument. is well known the cabinet 1 has a motor board 3 adjacent to its upper end, which board is provided with an open ing 4-,, partly covered by a rectangular plate 5 having openings 6 adjacent to its ends. The usual screws Y are disposed through the openings 6 for the purpose o1"- securing the cover plate to the shelf 3 and the cover plate is provided with an opening 8 to per init the passage of the stay hereinafter described. All of the foregoing is of common and well known. construction.

@ne wall or the opening 8 of the cover plate 5 is provided with a projecting lug 9, the length of which lug is approximately one-half of the width of the opening 8. The lug 9 is provided with an upturned lip 10 on its side towards the front of the cabinet, and is provided with a downturned lip 11 011 its side towards the rear of the cabinet.

Disposed to the rear of the lug 9 and projecting from the same side wall of the opening 8 is a second rectangular lug 12, the length of which is approximately the same as the length of the lug 9.

The cover plate 5 may be provided with a depending flange 13 having openings 14 therein to receive screws by means of which it may be secured to. the side wall of the cabinet 1, as best shown in Figure 6 of the drawings.

A stayv 15 has its upper end pivotally secured to a bracket 16, as by means of a rivet 17, so that the stay is free to be rocked on its pivotal support by gravity when the cover 2 is moved on its hinges.

Secured to orformedupon one side of the stay 15 is a longitudinal rib 18. When Stamped from a single of th stay would present the appearance as shown in Figure 8. The rib 18 is adjacent one side of the stay 15 and terminates short of its lower end.

Adjacent its lower end at a point removed from its edges the stay 15 has secured there to or formed thereon a lug 19, which is also removed slightly from the lower end of the stay.

The lower end of the stay 15 is provided with a rounded or hooked portion which is turned up to form an abutment 21, so as to leave a shoulder 22 at the lower end of the stay 15 on the side adjacent to rib 18.

The upper end of the rib 18 is formed with a rounded shoulder 23.

Starting from the position shown in Figure 1 of the drawings, that is to say, with the cover 2 in closed position, the operation of the device is as follows: The cover is raised carrying with it the stay 15 and the rounded shoulder 23 of the stay 15 strikes one wall of the opening 8 in the cover plate 5, so that the stay 15 is guided against the opposite wall. The rib 18 rides against the forward end of the up turned lip 10 of the lug 9. As the lower end of the rib 18 clears the up turned lip 10, the lug 19 on the stay 15 passes under the up turned lip 10 and contacts the under side of the down turned lip 11 of the lug 9 the shoulder 22 passing between the end of the; lug 9 and the wall of the opening 8 and acting as a guiding means. Unless the operator releases the hinged cover 2 and permits a slight clownward movement thereof the contact between the upper face of the ing 19 and the under face of the down turned lip 11 would prevent the stay 15 swinging by gravity further towards the rear of the cabinet 1. As the operator releases the cover 2, the lower end of the rib 18 rests on the lug 9, the up turned lip 10 preventing the displacement of the stay forwardly and the lug 19 contacting the forward face of the lug 12 prevents movement towards the rear of the cabinet. By this means the lower end of the rib 18 is guided exactly to its proper place.

on the lug 9. When the cover is further raised, the lug 19 will clear the lug 12, the stay swinging slightly backward on its pivot. The cover may then be lowered and the stay 15 will swing forward by gravity as soon as the cover is sufficiently lowered to permit the lower end of the rib 18 to clear the lug 9. After the lug 19 clears the lug 12 the abutment 21 adjacent to the lower end of the stay strikes the under side of the lug 12 to prevent the accidental displacement of the stay from the cover plate 5 if it is attempted to raise the cover 2 further. lVhen in its extreme forward position the lower end of the stay 15 may be lifted through the opening 8 in the front end of the cover plate 5 if the stay is held against rearward movement, so that the stay 15 may be secured to the cover 2 at one part of a plant and the cover plate: 5 may be secured on the motor board 3 at some other part of the plant, and the cooperating locking parts be assembled when the hinged cover 2 is placed on the casing 1.

Having thus fully described the invention, what is desired to be secured by Let ters Patent is:

1. An automatically operable stay for hinged c vers comprising a cover plate provided with an opening having lugs projecting therein from one wall and a pivoted stay disposed through the opening and having projecting parts rigid therewith arranged to cooperate with the lugs to permit the parts to be locked and unlocked by movement of the stay.

2. An automatically operable stay for hinged covers comprising a cover plate provided with an opening having lugs projecting therein from one wall, one of said lugs being provided with an upturned and a down turned lip, and a pivoted stay disposed through the opening ancl having pro jecting parts arranged to cooperate with the lugs to permit the parts to be locked and unlocked by movement of the stay.

3. An automatically operable stay for hinged covers comprising a cover plate provided with an opening having lugs project ing therein from one wall, and a pivoted stay disposed through the opening and having projecting parts arranged to cooperate with the lugs, one of said parts consisting of a longitudinal rib.

1. An automatically operable stay for hinged covers comprising a cover plate provided with an opening having lugs project ing therein from one wall, and a pivoted stay disposed through the opening and having projecting parts arranged to cooperate with the lugs, one of said parts consisting of a longitudinal rib terminating in an upper rounded shoulder.

5. An automatically operable stay for hinged covers comprising a cover plate provided with an opening having lugs projecting therein from one wall, and a pivoted stay disposed through the opening and having projecting parts arranged to cooperate with the lugs, one of said parts consisting of a longitudinal rib stamped from the stay.

6. An automatically operable stay for hinged covers comprising a cover plate provided with an opening having lugs projecting therein from one wall, and a pivoted stay disposed through the opening and provided with a longitudinal rib and a lug adjacent one end.

7. An automatically operable stay for hinged covers comprising a cover plate provided with an opening having lugs projecting therein from one wall, and a pivoted stay disposed through the opening and provided with a longitudinal rib and a lugadjacent one end and means for preventing retraction of the stay from the opening when in one position with relation to the cover plate.

8. An automatically operable stay for hinged covers comprising a'cover plate provided with an opening having lugs projecting therein from one wall, and a pivoted stay disposed through the opening and provided with a longitudinal rib and a lug ad jacent one end and an abutment adjacent the lower end of the stay below the end of the rib.

9. An automatically operable stay for hinged covers comprising a cover plate hav ing an opening provided with a plurality of spaced lugs extending from one wall and a pivoted stay disposed through the opening and provided with a guide rib, a stop lug arranged to contact the lugs on the cover plate and provided with an abutment arranged to contact beneath one of the lugs to limit the upward movement of the stay.

10. In combination with a casing having a hinged cover, a plate carried by the easing and provided with an opening, and a stay pivoted to the cover and disposed through the opening in the plate, and the stay and plate being provided with cooperating parts to prevent retraction of the stay, except in one position and for limiting the movement of the stay on its pivot.

In testimony whereof I have signed my name to this specification.

MONTAGUE PIERRE BROWNE. 

